Company Filing History:
Years Active: 1998-2013
Title: Eiji Doba: Innovator in Press Technology
Introduction
Eiji Doba is a notable inventor based in Komatsu, Japan. He has made significant contributions to the field of press technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and effectiveness of press line operations.
Latest Patents
One of Doba's latest inventions is the die cushion device. This device features a shock absorber that mitigates shock between a cushion pad and a support section. The shock absorber consists of a damping section that generates a reaction force based on the relative speed of the cushion pad and the support section. Additionally, the elastic section produces a reaction force according to the relative displacement of the cushion pad. The controller section manages a servomotor to maintain a predetermined target speed difference that varies over time.
Another significant patent is the maintenance management system for a press line. This system allows a single operator to perform maintenance tasks efficiently. It incorporates a communication cable within the press line, starting from a management computer. A connector is strategically placed along the cable to connect to a communicable device. A portable input/output terminal, linked to this connector, includes software for detecting and displaying maintenance information. This setup enables operators to access vital maintenance data easily.
Career Highlights
Eiji Doba is associated with Komatsu Corporation, a leading company in the manufacturing sector. His innovative contributions have played a crucial role in advancing the company's technology and operational efficiency.
Collaborations
Doba has worked alongside talented colleagues, including Takuji Miyasaka and Hirohide Sato. Their collaborative efforts have further enhanced the development of innovative solutions in the industry.
Conclusion
Eiji Doba's work exemplifies the spirit of innovation in press technology. His patents reflect a commitment to improving operational efficiency and maintenance processes. Through his contributions, he continues to influence the field positively.